Home / 1,070,086.40-1,605,129.60-953,964.80

Finding the Fourth Proportional to 1,070,086.40, 1,605,129.60 and 953,964.80

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Solution

The fourth proportional to 1,070,086.40, 1,605,129.60 and 953,964.80 is: 1,430,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,086.40 : 1,605,129.60 = 953,964.80 : x
  2. Step 2: Convert to fraction form
    1,070,086.40/1,605,129.60 = 953,964.80/x
  3. Step 3: Cross multiply
    1,070,086.40x = 1,605,129.60 × 953,964.80
  4. Step 4: Simplify right side
    1,070,086.40x = 1,531,237,137,838.08
  5. Step 5: Solve for x
    x = 1,531,237,137,838.08/1,070,086.40
  6. Step 6: Final answer
    x = 1,430,947.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.